/*
 * Copyright [2013-2021], Alibaba Group Holding Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.polardbx.executor.handler.ddl;

import com.alibaba.polardbx.common.utils.GeneralUtil;
import com.alibaba.polardbx.executor.ddl.job.factory.oss.UnArchiveJobFactory;
import com.alibaba.polardbx.executor.ddl.newengine.job.DdlJob;
import com.alibaba.polardbx.executor.ddl.newengine.job.TransientDdlJob;
import com.alibaba.polardbx.executor.spi.IRepository;
import com.alibaba.polardbx.optimizer.context.ExecutionContext;
import com.alibaba.polardbx.optimizer.core.rel.ddl.BaseDdlOperation;
import com.alibaba.polardbx.optimizer.core.rel.ddl.LogicalUnArchive;
import org.apache.calcite.sql.SqlUnArchive;

/**
 * @author Shi Yuxuan
 */
public class LogicalUnArchiveHandler extends LogicalCommonDdlHandler {
    public LogicalUnArchiveHandler(IRepository repo) {
        super(repo);
    }

    @Override
    protected DdlJob buildDdlJob(BaseDdlOperation logicalDdlPlan, ExecutionContext executionContext) {
        LogicalUnArchive logicalUnArchive = (LogicalUnArchive) logicalDdlPlan;
        logicalUnArchive.preparedData();
        if (GeneralUtil.isEmpty(logicalUnArchive.getPreparedData().getTables())) {
            return new TransientDdlJob();
        }
        return UnArchiveJobFactory
            .create(logicalUnArchive.getPreparedData(), executionContext);
    }

    @Override
    protected String getObjectName(BaseDdlOperation logicalDdlPlan) {
        final SqlUnArchive sqlUnArchive = (SqlUnArchive) logicalDdlPlan.getNativeSqlNode();
        return sqlUnArchive.getTarget().toString();
    }
}